SOLR-5263: Fix CloudSolrServer URL cache update race.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1528457 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5249: expect ivy-versions.properies in lucene source artifacts

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1528480 13f79535-47bb-0310-9956-ffa450edef68
SOLR-5297: Admin UI - Threads Screen missing Icon

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1528486 13f79535-47bb-0310-9956-ffa450edef68
improve parameter name

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1528500 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5214: add FreeTextSuggester

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1528517 13f79535-47bb-0310-9956-ffa450edef68